Home / 69,205.03-103,807.61-19,285.27

Finding the Fourth Proportional to 69,205.03, 103,807.61 and 19,285.27

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Solution

The fourth proportional to 69,205.03, 103,807.61 and 19,285.27 is: 28,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,205.03 : 103,807.61 = 19,285.27 : x
  2. Step 2: Convert to fraction form
    69,205.03/103,807.61 = 19,285.27/x
  3. Step 3: Cross multiply
    69,205.03x = 103,807.61 × 19,285.27
  4. Step 4: Simplify right side
    69,205.03x = 2,001,957,171.44
  5. Step 5: Solve for x
    x = 2,001,957,171.44/69,205.03
  6. Step 6: Final answer
    x = 28,927.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.